Tundra Robber Fly vs Bladder Grasshopper

Side-by-side species comparison

Attribute Tundra Robber Fly Bladder Grasshopper
Scientific Name Rhadiurgus variabilis Bullacris membracioides
Order Diptera Orthoptera
Family Asilidae Pneumoridae
Size 10-15 mm 50-70 mm
Habitat Beaches & Coastal Beaches & Coastal
Diet Herbivores Herbivores
Regions Scandinavia, Finland, Scotland, northern Russia Africa
Conservation Least Concern Least Concern

Tundra Robber Fly

A medium-sized robber fly with a dark body and distinctive bristly face. It is an aerial predator that ambushes other flying insects from perches on rocks and low vegetation. Adults have powerful grasping legs.

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Did You Know?

This robber fly catches prey in midair and injects digestive enzymes to liquefy the insect's insides before drinking them.

Bladder Grasshopper

A grasshopper with an inflated balloon-like abdomen used as a resonating chamber.

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Did You Know?

Males inflate their abdomen and produce calls audible to humans nearly two kilometers away.